The Case survey is a low-dispersion objective-prism photographic survey with spectral coverage from 3300 to 5350Å, reaching B ~ 18 mag; containing northern hemisphere blue and emission-line galaxies, as well as QSO candidates (and Galactic blue stars). [137, 138, 139, 140, 161, 162, 163, 164].
Click here if you want the NED listing of Case galaxies.